V2EX genetic mutation

Genetic Mutation

定义 Definition

genetic mutation遗传突变 / 基因突变,指 DNA(遗传物质)序列发生的改变。它可能自然产生(如复制错误),也可能由外界因素(如辐射、化学物质)诱发;有些无明显影响,有些会改变性状或导致疾病。(在不同语境中也可泛指“基因层面的变异”。)

发音 Pronunciation

/dntk mjuten/

例句 Examples

A genetic mutation can change eye color.
基因突变可能会改变眼睛的颜色。

Researchers found a genetic mutation that increases the risk of certain cancers in some families.
研究人员发现一种基因突变,会在一些家族中提高某些癌症的风险。

词源 Etymology

genetic 来自希腊语词根 *gen-*(“出生、产生”),与 “gene(基因)”同源;mutation 来自拉丁语 mutare(“改变”)。合起来字面意思就是“遗传层面的改变”。

相关词 Related Words

文学与著作 Literary Works

  • The Gene: An Intimate History(Siddhartha Mukherjee)讨论基因与遗传疾病时频繁使用“genetic mutation”等术语。
  • The Selfish Gene(Richard Dawkins)在进化与遗传机制的科普论述中常涉及突变与选择。
  • Molecular Biology of the Gene(James D. Watson 等)分子生物学经典教材,系统使用并解释“genetic mutation”。
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